17
Appendix A. Troubleshooting
Problem
Recommended Solution
LED does not light (power
switch already turned on).
??
Check Power connector.
Printing stops and LED light
turns red.
??
Software setting or programming problem.
??
Try using correct papers or ribbon material.
??
The ribbon or the labels roll empty.
??
Label jam, remove the stuck labels.
??
The Printer Head Assembly unlocked.
??
Try adjusting the gap sensor to less sensitivity.
Printing no stops or skip label
??
Try adjusting the gap sensor to higher sensitivity.
Printer is working but nothing is
printed on the labels.
??
Check if the roll is loaded with labels facing up or if the
paper is correct type.
??
Try choosing correct printer driver.
??
Make sure to use the correct label roll and printing mode.
Label stuck.
??
Remove the stuck labels and use soft cloth soaked with
alcohol to clean the adhesive glue.
Only part of the label is printed.
??
Label or ribbon stuck on the printer head.
??
Software problem.
??
Margin setting incorrect.
??
Printer head not fixed in proper position, re-adjust printer
head screws or clipper.
??
Make sure the ribbon is not wrinkled.
??
Adjust the printer head pressure screws (part 13) to
increase the pressure.
??
Check if using correct power source.
Difficult to load label roll.
??
Labels stuck in the printer.
When printing out, some dots
missing.
??
Clean printer head with alcohol (If the label glue is stuck to
printer head, apply alcohol to printer head, and wipe with
soft cloth softly).
??
Replace printer head.
Printing position not correct.
??
Check the gap sensor, it may be covered with dust.
??
Contact your label supplier, make sure they use qualified
label liner material.
??
Adjust the gap sensor VR if you are an experienced user.
??
Check the label guide, it may not be in the proper position.
Label printing jumps to next
label.
??
Check the label height setting.
??
Check the gap sensor, it may be covered with dust.
Label printing not very clear.
??
Check the printer darkness setting.
Paper is not properly cut.
??
Check the cutter, it may be covered with paper dust in the
blade holder shaft.
Label peeling not working
correctly.
??
Check the printer strip sensor, it may be covered with dust.
??
Check label installation.
Printer not feeding when using
narrow label.
??
Decrease the pressure on the right hand side of the printer
head (see Chapter 3 Section 4)
Garbage appears when printing
length is over 8 inches.
??
Check if SRAM CARD is installed.